Ashby, M. (1961). Introduction to Plant Ecology (2.). Mac Millan and English language Book Society.
Chicago Stili AlıntıAshby, Maurice. Introduction to Plant Ecology. 2. London: Mac Millan and English language Book Society, 1961.
MLA AlıntıAshby, Maurice. Introduction to Plant Ecology. 2. Mac Millan and English language Book Society, 1961.
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